const HIDDEN_TEXTAREA_STYLE = `
  min-height:0 !important;
  max-height:none !important;
  height:0 !important;
  visibility:hidden !important;
  overflow:hidden !important;
  position:absolute !important;
  z-index:-1000 !important;
  top:0 !important;
  right:0 !important
`
const SIZING_STYLE = [
  'letter-spacing',
  'line-height',
  'padding-top',
  'padding-bottom',
  'font-family',
  'font-weight',
  'font-size',
  'text-rendering',
  'text-transform',
  'width',
  'text-indent',
  'padding-left',
  'padding-right',
  'border-width',
  'box-sizing',
]

const computedStyleCache = {}
let hiddenTextarea
function calculateNodeStyling(node, useCache = false) {
  const nodeRef =
    node.getAttribute('id') ||
    node.getAttribute('data-reactid') ||
    node.getAttribute('name')
  if (useCache && computedStyleCache[nodeRef]) {
    return computedStyleCache[nodeRef]
  }
  const style = window.getComputedStyle(node)
  const boxSizing =
    style.getPropertyValue('box-sizing') ||
    style.getPropertyValue('-moz-box-sizing') ||
    style.getPropertyValue('-webkit-box-sizing')
  const paddingSize =
    parseFloat(style.getPropertyValue('padding-bottom')) +
    parseFloat(style.getPropertyValue('padding-top'))
  const borderSize =
    parseFloat(style.getPropertyValue('border-bottom-width')) +
    parseFloat(style.getPropertyValue('border-top-width'))
  const sizingStyle = SIZING_STYLE.map(
    (name) => `${name}:${style.getPropertyValue(name)}`
  ).join(';')
  const nodeInfo = {
    sizingStyle,
    paddingSize,
    borderSize,
    boxSizing,
  }
  if (useCache && nodeRef) {
    computedStyleCache[nodeRef] = nodeInfo
  }
  return nodeInfo
}
export default function calcTextareaHeight(
  uiTextNode,
  minRows = null,
  maxRows = null,
  useCache = false
) {
  if (!hiddenTextarea) {
    hiddenTextarea = document.createElement('textarea')
    document.body.appendChild(hiddenTextarea)
  }
  if (uiTextNode.getAttribute('wrap')) {
    hiddenTextarea.setAttribute('wrap', uiTextNode.getAttribute('wrap'))
  } else {
    hiddenTextarea.removeAttribute('wrap')
  }
  const {
    paddingSize,
    borderSize,
    boxSizing,
    sizingStyle,
  } = calculateNodeStyling(uiTextNode, useCache)
  hiddenTextarea.setAttribute(
    'style',
    `${sizingStyle};${HIDDEN_TEXTAREA_STYLE}`
  )
  hiddenTextarea.value = uiTextNode.value || uiTextNode.placeholder || ''

  let minHeight = Number.MIN_SAFE_INTEGER
  let maxHeight = Number.MAX_SAFE_INTEGER
  let height = hiddenTextarea.scrollHeight
  let overflowY
  if (boxSizing === 'border-box') {
    height = height + borderSize
  } else if (boxSizing === 'content-box') {
    height = height - paddingSize
  }
  if (minRows !== null || maxRows !== null) {
    hiddenTextarea.value = ' '
    const singleRowHeight = hiddenTextarea.scrollHeight - paddingSize
    if (minRows !== null) {
      minHeight = singleRowHeight * minRows
      if (boxSizing === 'border-box') {
        minHeight = minHeight + paddingSize + borderSize
      }
      height = Math.max(minHeight, height)
    }
    if (maxRows !== null) {
      maxHeight = singleRowHeight * maxRows
      if (boxSizing === 'border-box') {
        maxHeight = maxHeight + paddingSize + borderSize
      }
      overflowY = height > maxHeight ? '' : 'hidden'
      height = Math.min(maxHeight, height)
    }
  }
  if (!maxRows) {
    overflowY = 'hidden'
  }
  return {
    height: `${height}px`,
    minHeight: `${minHeight}px`,
    maxHeight: `${maxHeight}px`,
    overflowY,
  }
}
